chore: add unreleased section to cliff.toml

cliff.toml

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 body = """
 {% if version %}\
     ## [{{ version | trim_start_matches(pat="v") }}](https://github.com/foundry-rs/block-explorers/releases/tag/v{{ version | trim_start_matches(pat="v") }}) - {{ timestamp | date(format="%Y-%m-%d") }}
+{% else %}\
+    ## [Unreleased](https://github.com/foundry-rs/block-explorers/compare/{{ previous.version }}...HEAD)
 {% endif %}\
 {% for group, commits in commits | group_by(attribute="group") %}
     ### {{ group | title }}
@@ -29,7 +31,7 @@ footer = "<!-- generated by git-cliff -->"
 conventional_commits = true
 filter_unconventional = false
 commit_preprocessors = [
-    { pattern = '#(\d+)', replace = "[#$1](https://github.com/foundry-rs/compilers/issues/$1)" },
+    { pattern = '#(\d+)', replace = "[#$1](https://github.com/foundry-rs/block-explorers/issues/$1)" },
 ]
 commit_parsers = [
     { message = "^feat", group = "Features" },