chore(ci): upgrade the custom fork of actions-rs/toolchain

Includes the following new unmerged PRs:

- <actions-rs/toolchain#220> "Update the action
  to run on Node 16"
- <actions-rs/toolchain#222> "chore: bump
  @actions deps"

Addresses the "Node.js 12 actions are deprecated" and "`set-output`
command is deprecated" warnings.

Author: yvt

.github/workflows/ci.yml

@@ -17,8 +17,8 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
           components: clippy, rustfmt
@@ -90,8 +90,8 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
 
@@ -132,8 +132,8 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
 
@@ -193,8 +193,8 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
 
@@ -271,8 +271,8 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
           components: rust-src
@@ -337,8 +337,8 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
           components: rust-src

.github/workflows/doc.yml

@@ -14,8 +14,8 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
 

.github/workflows/report-size.yml

@@ -36,8 +36,8 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Rust
-        # FIXME: Switch back when actions-rs/toolchain#209 is merged
-        uses: r3-os/actions-rust-toolchain@patch/pr-209
+        # FIXME: Switch back when actions-rs/toolchain#{209,220,222} is merged
+        uses: r3-os/actions-rust-toolchain@a862b6623c178b43a3135516442a5f72fb5c1877
         with:
           profile: minimal
           components: rust-src