Inline all format arguments where possible

This makes code more readale and concise,
moving all format arguments like `format!("{}", foo)`
into the more compact `format!("{foo}")` form.

The change was automatically created with, so there are far less change
of an accidental typo.

```
cargo clippy --fix -- -A clippy::all -W clippy::uninlined_format_args
```

crates/proc-macro-api/src/lib.rs

@@ -60,7 +60,7 @@ impl MacroDylib {
 
         let info = version::read_dylib_info(&path)?;
         if info.version.0 < 1 || info.version.1 < 47 {
-            let msg = format!("proc-macro {} built by {:#?} is not supported by rust-analyzer, please update your Rust version.", path.display(), info);
+            let msg = format!("proc-macro {} built by {info:#?} is not supported by rust-analyzer, please update your Rust version.", path.display());
             return Err(io::Error::new(io::ErrorKind::InvalidData, msg));
         }
 

crates/proc-macro-api/src/msg/flat.rs

@@ -137,7 +137,7 @@ impl SubtreeRepr {
             1 => Some(tt::DelimiterKind::Parenthesis),
             2 => Some(tt::DelimiterKind::Brace),
             3 => Some(tt::DelimiterKind::Bracket),
-            other => panic!("bad kind {}", other),
+            other => panic!("bad kind {other}"),
         };
         SubtreeRepr { id: TokenId(id), kind, tt: [lo, len] }
     }
@@ -164,7 +164,7 @@ impl PunctRepr {
         let spacing = match spacing {
             0 => tt::Spacing::Alone,
             1 => tt::Spacing::Joint,
-            other => panic!("bad spacing {}", other),
+            other => panic!("bad spacing {other}"),
         };
         PunctRepr { id: TokenId(id), char: char.try_into().unwrap(), spacing }
     }
@@ -312,7 +312,7 @@ impl Reader {
                                 })
                                 .into()
                             }
-                            other => panic!("bad tag: {}", other),
+                            other => panic!("bad tag: {other}"),
                         }
                     })
                     .collect(),

crates/proc-macro-api/src/version.rs

@@ -125,7 +125,7 @@ pub fn read_version(dylib_path: &AbsPath) -> io::Result<String> {
         _ => {
             return Err(io::Error::new(
                 io::ErrorKind::InvalidData,
-                format!("unsupported metadata version {}", version),
+                format!("unsupported metadata version {version}"),
             ));
         }
     }