mx.fastr: set version dependency to 5.60.0; use mx.get_runtime_jvm_args in preference to mx.classpath

* commit '47fb5d4d':
  use FastR-unique file when validating R_HOME
  Handle missing R_HOME in graal shell in development mode

* commit 'ec23dd24':
  Non-compilation final Location objects accessed within the truffle boundary only
  Rebased on master
  Removing unnecessary specializations
  The comments from PR-487 worked in
  removing attributes using constant layouts
  Nodes for iterating attributes added
  Using constant layouts
  RContext

Merge pull request #495 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:feature/symbolhandle to master

* commit 'f0cbe613':
  remove refactored methods

* commit '4fdd48e2':
  README updates
  update README
  update README, add documentation project
  update README.md

Merge pull request #493 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:feature/symbolhandle to master

* commit '892c733c':
  make SymbolHandle final, update javadoc
  abstract the representation of external symbols

Merge pull request #486 in G/fastr from ~MICK.JORDAN_ORACLE.COM/fastr:feature/internal-pkgtest to master

* commit 'eb4e3d25':
  checkstyle fixes
  Cdist: update access
  updates from review feedback
  misc rffi bug fixes
  checkstyle fixes
  implement pretty .Internal
  implement seek on binary file connections; interporet where=NA correctly
  implement R_chk_realloc
  add Abbrev to BasePackage
  add missing string intern
  implement Abbrev .Internal
  stats: implement Cdist, DoubleCentre
  rffi: implement CADDR, move nrows/ncols logic to RRuntime, allow RIntSequence in Rf_duplicate

* commit 'aa7648af':
  update jvmci jdk version to 23

Merge pull request #490 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/prob-distr2 to master

* commit '0c4b26be':
  implement rcauchy
  implement rbeta
  Interface change in RandGenerationFunctions that should address performance

Merge pull request #488 in G/fastr from ~LUKAS.STADLER_ORACLE.COM/fastr:bugfix/missing_override to master

* commit '6d1723c7':
  fix usage of split_j_args
  add missing @Override

Merge pull request #483 in G/fastr from ~STEPAN.SINDELAR_ORACLE.COM/fastr:feature/various-fixes to master

* commit 'fd8a7c91':
  Regenerate tests expected output
  Missing node sets the visibility
  Cat refuses non-zero length lists, expressions and language (like in GnuR)
  Binary comparisons support language objects
  Identical checks the types are the same
  Sprintf: when any arg is NULL return character(0)
  Eval supports numeric envir argument
  det_ge_real NA handling matches GnuR
  sort can handle na.last argument == NA
  Log copies attributes to the result
  Fix string2intNoCheck to allow leading zeros
  Deparse supports KEEPINTEGER