Update GitHub Actions (#30)

# Update GitHub Actions

## ♻️ Current situation & Problem
- Missing Relevant GitHub Actions


## ⚙️ Release Notes 
- Adds GitHub Actions
- Builds for Swift 6


## 📝 Code of Conduct & Contributing Guidelines 

By submitting creating this pull request, you agree to follow our [Code
of
Conduct](https://github.com/StanfordSpezi/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordSpezi/.github/blob/main/CONTRIBUTING.md):
- [x] I agree to follow the [Code of
Conduct](https://github.com/StanfordSpezi/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordSpezi/.github/blob/main/CONTRIBUTING.md).

.github/workflows/build-and-test.yml

@@ -23,6 +23,16 @@ jobs:
       artifactname: SpeziContact.xcresult
       runsonlabels: '["macOS", "self-hosted"]'
       scheme: SpeziContact
+  buildandtestlatest:
+    name: Build and Test Swift Package iOS Latest
+    uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2
+    with:
+      runsonlabels: '["macOS", "self-hosted"]'
+      xcodeversion: latest
+      swiftVersion: 6
+      scheme: SpeziContact
+      resultBundle: SpeziContactLatest.xcresult
+      artifactname: SpeziContactLatest.xcresult
   buildandtestuitests:
     name: Build and Test UI Tests
     uses: StanfordSpezi/.github/.github/workflows/xcodebuild-or-fastlane.yml@v2

.github/workflows/monthly-markdown-link-check.yml

@@ -0,0 +1,19 @@
+#
+# This source file is part of the Stanford Spezi open source project
+#
+# SPDX-FileCopyrightText: 2023 Stanford University and the project authors (see CONTRIBUTORS.md)
+#
+# SPDX-License-Identifier: MIT
+#
+
+name: Monthly Markdown Link Check
+
+on:
+  # Runs at midnight on the first of every month
+  schedule:
+    - cron: "0 0 1 * *"
+
+jobs:
+  markdown_link_check:
+    name: Markdown Link Check
+    uses: StanfordBDHG/.github/.github/workflows/markdown-link-check.yml@v2

.github/workflows/pull_request.yml

@@ -19,3 +19,6 @@ jobs:
   swiftlint:
     name: SwiftLint
     uses: StanfordSpezi/.github/.github/workflows/swiftlint.yml@v2
+  markdown_link_check:
+    name: Markdown Link Check
+    uses: StanfordBDHG/.github/.github/workflows/markdown-link-check.yml@v2