Merge remote-tracking branch 'upstream/master' into forapi

# Conflicts:
#	.github/workflows/build.yaml
#	.github/workflows/ghcr.yml
#	README-DE.md
#	README-NL.md
#	README-TW.md
#	README.md
#	libs/hbb_common
#	src/main.rs
#	src/rendezvous_server.rs

.github/dependabot.yml

@@ -1,11 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "gitsubmodule"
-    directory: "/"
-    target-branch: "master"
-    schedule:
-      interval: "daily"
-    commit-message:
-      prefix: "Git submodule"
-    labels:
-      - "dependencies"

.github/workflows/test.yml

@@ -1,84 +0,0 @@
-name: test
-
-on:
-  push:
-    branches: [ "master" ]
-    paths-ignore:
-      - '**/README.md'
-  pull_request:
-    branches: [ "master" ]
-    paths-ignore:
-      - '**/README.md'
-
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all
-
-  fmt:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: rustfmt
-      - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
-
-  clippy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: clippy
-      - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --all -- -D warnings