OTP bump

```
curl --silent https://packages.debian.org/search?keywords=erlang | \
    sed -ne '/Package erlang</,/<\/ul>/{/<\/a>/p; /br/p}' | \
    sed -e 's/<a.*$//' | \
    perl -0777 -pE 's/<li class="(\w+)">\n/$1/g; s/<br>([^\s]+)/$1/g; s/\+.*(?=\n)//g' | \
    sed -e '1i name otp-version' | \
    column -t

name          otp-version
buster        1:22.2.7
bullseye      1:23.2.6
bookworm      1:25.2.3
trixie        1:25.3.2.12
sid           1:25.3.2.12
experimental  1:27.0
```

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        otp_version: ['26.2', '25.3', '25.2', '23.2']
+        otp_version: ['27.0', '25.3', '25.2', '23.2']
         os: [ubuntu-latest]
 
     steps: