Add workflow_dispatch to workflows (#2295)

## Description

This PR adds `workflow_dispatch` to workflows so that they can be run
manually when needed.

Author: j-piasecki

.github/workflows/android-build.yml

@@ -10,6 +10,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/docs-check.yml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - 'docs/**'
+  workflow_dispatch:
 
 jobs:
   check:

.github/workflows/ios-build.yml

@@ -10,6 +10,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 jobs:
   build:
     runs-on: macos-12

.github/workflows/kotlin-lint.yml

@@ -6,6 +6,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 jobs:
   check:
     runs-on: ubuntu-latest

.github/workflows/static-example-apps-checks.yml

@@ -7,6 +7,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 jobs:
   check:
     runs-on: ubuntu-latest

.github/workflows/static-root-checks.yml

@@ -7,6 +7,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 jobs:
   check:
     runs-on: ubuntu-latest