index.d.ts file not published to NPM

I created a package in Typescript and published it on NPM. I have set declaration: true in tsconfig.json of this package project. When I build this project, the TS compiler generates the .d.ts files as expected, however, these files are not published on NPM and as a result, when I install this package in some other project, I get the error, Cannot find module 'projectname-common' or its corresponding type declarations.

Here's my package.json file:

{
  "name": "@Organisation/lib",
  "version": "1.0.0",
  "description": "",
  "main": "dist/index.js",
  "types": "dist/index.d.ts",
  "scripts": {
    "clean": "rm -rf ./dist",
    "build": "npm run clean && npx tsc",
    "pub": "git add . && git commit -m \"Changes\" && git push && npm version patch && npm run build && npm publish --access public"
  },
  "keywords": [],
  "author": "Author",
  "license": "ISC",
  "devDependencies": {
    //removed
  },
  "dependencies": {
    //removed
  }
}

Here's my tsconfig.json file:

{
    "compilerOptions": {
      "target": "es6",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
      "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
      "declaration": true,                         /* Generates corresponding '.d.ts' file. */
      "sourceMap": true,                           /* Generates corresponding '.map' file. */
      "outDir": "dist",                              /* Redirect output structure to the directory. */
      "strict": true,                                 /* Enable all strict type-checking options. */
      "noImplicitAny": true,                       /* Raise error on expressions and declarations with an implied 'any' type. */
      "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
      "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
      "paths": {
        "*": ["*"]
      },                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
      "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
      "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
      "skipLibCheck": true,                           /* Skip type checking of declaration files. */
      "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
    },
    "include": [
      "src/**/*"
    ]
  }

Here's my .gitignore file:

lib-cov
*.seed
*.log
*.csv
*.dat
*.out
*.pid
*.gz
*.swp

pids
logs
results
tmp

# Build
public/css/main.css

# Coverage reports
coverage

# API keys and secrets
.env

# Dependency directory
node_modules
bower_components

# Editors
.vscode
.idea
*.iml

# OS metadata
.DS_Store
Thumbs.db

# Ignore built ts files
dist/**/*

# ignore yarn.lock
yarn.lock

**.log.**

Note: even though dist is included in .gitignore, the file dist/index.js is published on NPM but none of the .d.ts files are.

The directory structure is like this:

my-package/
├─ node_modules/
├─ dist/
│  ├─ models/
│  ├─ index.d.ts
│  ├─ index.js
│  ├─ index.js.map
├─ src/
│  ├─ models
│  ├─ index.ts
├─ .gitignore
├─ package.json
├─ tsconfig.json