Split RFC 3986 §2.1 percent-coding into extdeps.uri.percent_encoding; decode through the one std UTF-8 decoder

dag/extdeps/github/app.dag

@@ -7,16 +7,8 @@ import std.dissolution { unbound_dissolution }
 import std.list { first_duplicate_by_key }
 import std.roster_frontier { FrontierRow, frontier_row_decl }
 import extdeps.external_authority { ExternalAuthority, ExternalModelScope, ExternalSubjectRef }
-import extdeps.uri {
-  Uri,
-  Https,
-  UriPercentComponentEncoded,
-  UriPercentComponentRefused,
-  UriPercentEncodeRefusalCause,
-  uri_from_wire,
-  uri_percent_encode_component,
-  uri_wire,
-}
+import extdeps.uri { Uri, Https, uri_from_wire, uri_wire }
+import extdeps.uri.percent_encoding { UriPercentComponentEncoded, UriPercentComponentRefused, UriPercentEncodeRefusalCause, uri_percent_encode_component }
 import extdeps.crypto.hash { HashAlgorithm, Sha256, Sha512 }
 import extdeps.github.github { GitHubUser, default_api_base, default_per_page }
 import extdeps.github.errors { GitHubErrorShape }

dag/extdeps/namecheap/client.dag

@@ -1,7 +1,7 @@
 module extdeps.namecheap.client
 
 import std.types { String, NonEmptyStr, Secret, Bool }
-import extdeps.uri { uri_percent_encode_component, UriPercentComponentEncoded, UriPercentComponentRefused }
+import extdeps.uri.percent_encoding { uri_percent_encode_component, UriPercentComponentEncoded, UriPercentComponentRefused }
 import extdeps.external_authority { ExternalAuthority }
 import extdeps.uri { Uri, Https }
 import extdeps.http.client

dag/extdeps/standards/rfc_8118.dag

@@ -14,15 +14,8 @@ import std.citation {
   fragment_selector,
 }
 import extdeps.external_authority { ExternalAuthority, ExternalModelScope, ExternalSubjectRef }
-import extdeps.uri {
-  Uri,
-  Https,
-  uri_percent_encode_component,
-  uri_percent_encode_code_points,
-  UriPercentComponentEncoded,
-  UriPercentComponentRefused,
-  UriPercentEncodeRefusalCause,
-}
+import extdeps.uri { Uri, Https }
+import extdeps.uri.percent_encoding { uri_percent_encode_component, uri_percent_encode_code_points, UriPercentComponentEncoded, UriPercentComponentRefused, UriPercentEncodeRefusalCause }
 import std.decl_ref { DeclarationRef, WholeDeclaration, decl_field_ref }
 
 data rfc_8118_external_authority_anchor: ExternalAuthority = ExternalAuthority {