ci: optimize GitHub Actions workflow triggers

.github/workflows/lint-md.yml

@@ -2,7 +2,18 @@ name: Lint (Markdown)
 
 on:
   pull_request:
+    paths:
+      - '**/*.md'
+      - '.github/workflows/lint-md.yml'
+      - '.markdownlint.yaml'
   push:
+    branches:
+      - main
+    paths:
+      - '**/*.md'
+      - '.github/workflows/lint-md.yml'
+      - '.markdownlint.yaml'
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -20,6 +31,6 @@ jobs:
       - uses: DavidAnson/markdownlint-cli2-action@07035fd053f7be764496c0f8d8f9f41f98305101 # v22.0.0
         with:
           globs: |
-            'README.md'
-            'docs/**/*.md'
+            README.md
+            docs/**/*.md
           config: .markdownlint.yaml

.github/workflows/lint.yml

@@ -2,7 +2,20 @@ name: Lint
 
 on:
   pull_request:
+    paths:
+      - '**/*.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '.github/workflows/lint.yml'
   push:
+    branches:
+      - main
+    paths:
+      - '**/*.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '.github/workflows/lint.yml'
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/spdx.yml

@@ -2,7 +2,18 @@ name: SPDX Check
 
 on:
   pull_request:
+    paths:
+      - '**/*.rs'
+      - '**/*.sh'
+      - '.github/workflows/spdx.yml'
   push:
+    branches:
+      - main
+    paths:
+      - '**/*.rs'
+      - '**/*.sh'
+      - '.github/workflows/spdx.yml'
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/test.yml

@@ -2,7 +2,20 @@ name: Test
 
 on:
   pull_request:
+    paths:
+      - '**/*.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '.github/workflows/test.yml'
   push:
+    branches:
+      - main
+    paths:
+      - '**/*.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '.github/workflows/test.yml'
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

docs/architecture.md

@@ -525,12 +525,14 @@ Behavior depends on which optional fields are provided:
 ## References
 
 - AWS.
-  [AWS Whitepaper - The Security Design of the AWS Nitro System](https://docs.aws.amazon.com/pdfs/whitepapers/latest/security-design-of-aws-nitro-system/security-design-of-aws-nitro-system.pdf) (PDF).
+  [AWS Whitepaper - The Security Design of the AWS Nitro System](https://docs.aws.amazon.com/pdfs/whitepapers/latest/security-design-of-aws-nitro-system/security-design-of-aws-nitro-system.pdf),
+  (PDF).
 - AWS.
-  [User Guide - AWS Nitro Enclaves](https://docs.aws.amazon.com/pdfs/enclaves/latest/user/enclaves-user.pdf) (PDF).
+  [User Guide - AWS Nitro Enclaves](https://docs.aws.amazon.com/pdfs/enclaves/latest/user/enclaves-user.pdf)
+  (PDF).
 - AWS.
-  [User Guide - Amazon Elastic Compute Cloud](https://docs.aws.amazon.com/pdfs/AWSEC2/latest/UserGuide/ec2-ug.pdf) (PDF),
-  pp. 3070-3103.
+  [User Guide - Amazon Elastic Compute Cloud](https://docs.aws.amazon.com/pdfs/AWSEC2/latest/UserGuide/ec2-ug.pdf)
+  (PDF), pp. 3070-3103.
 - AWS.
   [Nitro Enclaves Command Line Interface (Nitro CLI)](https://github.com/aws/aws-nitro-enclaves-cli),
   GitHub repository.