ci: typoes: Fix some typos and add subtiles to the word list

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1286>

fixup

gstreamer/CHANGELOG.md

@@ -835,7 +835,7 @@ specifically the [variant used by Rust](http://doc.crates.io/manifest.html#the-v
 ## [0.15.5] - 2020-05-03
 ### Fixed
 - Revert: Allow logging any `glib::Object` and not just `gst::Object`. This
-  broke API in subtile ways and needs to wait until 0.16
+  broke API in subtle ways and needs to wait until 0.16
 - Replace `%` in log output with `%%` to prevent accidental C formatting
 - Add missing manual traits to the documentation
 

gstreamer/src/format/generic.rs

@@ -452,7 +452,7 @@ mod tests {
     #[test]
     #[allow(clippy::eq_op, clippy::op_ref)]
     fn other() {
-        // Check a few ops on `Other`, better converage for
+        // Check a few ops on `Other`, better coverage for
         // the macro ops impl ensured as part of the `clock_time` module.
 
         use opt_ops::prelude::*;

typos.toml

@@ -5,6 +5,7 @@ inout = "inout"
 seeked = "seeked"
 BA = "BA" # sdp_message.rs
 UE = "UE" # rtsp-server-record.rs
+subtiles = "subtiles"
 
 [default]
 extend-ignore-identifiers-re = [