Fix build via nix-shell

[banderlog]

During current main branch build I trapped on few errors, proposed changes fix them by allowing cargo build --release without errors

flake.nix part

fixed by updating flake.nix with openssl

  cargo:warning=/usr/include/openssl/macros.h:147:4: error: #error "OPENSSL_API_COMPAT expresses an impossible API compatibility level"                                  
  cargo:warning=  147 | #  error "OPENSSL_API_COMPAT expresses an impossible API compatibility level"                                                                    
  cargo:warning=      |    ^~~~~                                                                                                                                         
                                                                                                                                                                         
  --- stderr                                                                                                                                                             
                                                                                                                                                                         
  thread 'main' (206362) panicked at /home/bkaba/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/openssl-sys-0.9.107/build/main.rs:315:13:                          
                                                                                                                                                                         
  Header expansion error:                                                                                                                                                
  Error { kind: ToolExecError, message: "command did not execute successfully (status code exit status: 1): LC_ALL=\"C\" \"gcc\" \"-O3\" \"-ffunction-sections\" \"-fdata
-sections\" \"-fPIC\" \"-m64\" \"-I\" \"/usr/include\" \"-Wno-error=old-style-definition\" \"-Wno-error=implicit-function-declaration\" \"-E\" \"build/expando.c\"" }    
       

fixed by updating flake.nix with gcc and pkg-config

 thread 'main' (206380) panicked at /home/bkaba/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/openssl-sys-0.9.107/build/main.rs:315:13:                          
                                                                                                                                                                         
  Header expansion error:                                                                                                                                                
  Error { kind: ToolExecError, message: "command did not execute successfully (status code exit status: 1): LC_ALL=\"C\" \"gcc\" \"-O0\" \"-ffunction-sections\" \"-fdata
-sections\" \"-fPIC\" \"-m64\" \"-I\" \"/usr/include\" \"-Wno-error=old-style-definition\" \"-Wno-error=implicit-function-declaration\" \"-E\" \"build/expando.c\"" }    
        

Cargo.lock part

Fixed with updating onig and onig_sys

error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "gcc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-m64" "-I" "/home/bkaba/TMP/text-embeddings-inference/target/release/build/onig_sys-b2395e109bfc8d37/out" "-I" "oniguruma/src" "-DHAVE_UNISTD_H=1" "-DHAVE_SYS_TYPES_H=1" "-DHAVE_SYS_TIME_H=1" "-Wno-error=old-style-definition" "-Wno-error=implicit-function-declaration" "-o" "/home/bkaba/TMP/text-embeddings-inference/target/release/build/onig_sys-b2395e109bfc8d37/out/a445302c6d3dcb51-st.o" "-c" "oniguruma/src/st.c