Create workflow in github actions

.github/scripts/common/check-each-crate.py

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+#!/usr/bin/env python3
+
+# A script that checks each workspace crate individually.
+# It's relevant to check workspace crates individually because otherwise their compilation problems
+# due to feature misconfigurations won't be caught, as exemplified by
+# https://github.com/paritytech/substrate/issues/12705
+#
+# `check-each-crate.py target_group groups_total`
+#
+# - `target_group`: Integer starting from 1, the group this script should execute.
+# - `groups_total`: Integer starting from 1, total number of groups.
+
+import subprocess, sys
+
+# Get all crates
+output = subprocess.check_output(["cargo", "tree", "--locked", "--workspace", "--depth", "0", "--prefix", "none"])
+
+# Convert the output into a proper list
+crates = []
+for line in output.splitlines():
+	if line != b"":
+		line = line.decode('utf8').split(" ")
+		crate_name = line[0]
+		# The crate path is always the last element in the line.
+		crate_path = line[len(line) - 1].replace("(", "").replace(")", "")
+		crates.append((crate_name, crate_path))
+
+# Make the list unique and sorted
+crates = list(set(crates))
+crates.sort()
+
+target_group = int(sys.argv[1]) - 1
+groups_total = int(sys.argv[2])
+
+if len(crates) == 0:
+	print("No crates detected!", file=sys.stderr)
+	sys.exit(1)
+
+print(f"Total crates: {len(crates)}", file=sys.stderr)
+
+crates_per_group = len(crates) // groups_total
+
+# If this is the last runner, we need to take care of crates
+# after the group that we lost because of the integer division.
+if target_group + 1 == groups_total:
+	overflow_crates = len(crates) % groups_total
+else:
+	overflow_crates = 0
+
+print(f"Crates per group: {crates_per_group}", file=sys.stderr)
+
+# Check each crate
+for i in range(0, crates_per_group + overflow_crates):
+	crate = crates_per_group * target_group + i
+
+	print(f"Checking {crates[crate][0]}", file=sys.stderr)
+
+	res = subprocess.run(["cargo", "check", "--locked"], cwd = crates[crate][1])
+
+	if res.returncode != 0:
+		sys.exit(1)

.github/workflows/check-each-crate.yml

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+name: Check each crate in parallel
+
+on:
+  push:
+    branches:
+      #TODO: Update to master
+      - oleg/ci_cd/907
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+  merge_group:
+
+jobs:
+  check_each_crate:
+    strategy:
+      matrix:
+        group: [1, 2, 3, 4, 5, 6]
+    runs-on: macos-latest
+    steps:
+      - name: Cargo check crates
+        run: .github/scripts/common/check-each-crate.py ${{ matrix.group }} 6