ci: add typo checker

Signed-off-by: Ruihang Xia <[email protected]>

Author: waynexia

.github/workflows/rust.yml

@@ -781,3 +781,11 @@ jobs:
       - name: Check datafusion-proto
         working-directory: datafusion/proto
         run: cargo msrv --output-format json --log-target stdout verify
+  typos:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        with:
+          persist-credentials: false
+      - uses: crate-ci/typos@master

datafusion/functions/src/datetime/date_trunc.rs

@@ -191,7 +191,7 @@ impl ScalarUDFImpl for DateTruncFunc {
             // fast path for fine granularities
             if matches!(
                 granularity.as_str(),
-                // For morden timezones, it's correct to truncate "minute" in this way.
+                // For modern timezones, it's correct to truncate "minute" in this way.
                 // Both datafusion and arrow are ignoring historical timezone's non-minute granularity
                 // bias (e.g., Asia/Kathmandu before 1919 is UTC+05:41:16).
                 "second" | "minute" | "millisecond" | "microsecond"